<template>
  <div class="login">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="@/assets/logo.png" alt="" />
      </div>
      <!-- 登录表单区域 -->
      <el-form
        ref="loginFromRef"
        :model="loginFrom"
        :rules="loginRules"
        class="login_from">
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input v-model="loginFrom.username" prefix-icon="iconfont icon-user"></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input
          type="password"
          v-model="loginFrom.password"
          prefix-icon="iconfont icon-3702mima"></el-input>
        </el-form-item>
        <!-- 按钮 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginFrom">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: 'login',
  data() {
    return {
      // 登录表单数据绑定
      loginFrom: {
        username: 'admin',
        password: '123456',
      },
      // 登录表单的验证规则
      loginRules: {
        // 验证用户名是否合法
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' },
        ],
        // 验证密码
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' },
        ],
      },
    }
  },
  methods: {
    // 点击重置按钮，重置登录表单
    resetLoginFrom() {
      this.$refs.loginFromRef.resetFields()
    },
    login() {
      this.$refs.loginFromRef.validate(async valid => {
        // console.log(valid)
        if (!valid) return
        const { data } = await this.$http.post('login', this.loginFrom)
        console.log(data)
        if (data.meta.status !== 200) return this.$message.error(data.meta.msg)
        this.$message.success(data.meta.msg)
        // 保存token
        window.sessionStorage.setItem('token', data.data.token)
        // 跳转页面
        this.$router.push('/home')
      })
    },
  },
}
</script>

<style lang="less" scoped>
.login {
  background: #2b4b6b;
  height: 100%;
  .login_box {
    width: 450px;
    height: 300px;
    background: #fff;
    border-radius: 3px;
    position: absolute;
    left: 0;
    bottom: 0;
    top: 0;
    right: 0;
    margin: auto;
    .avatar_box {
      width: 130px;
      height: 130px;
      border: 1px solid #eee;
      border-radius: 50%;
      padding: 10px;
      box-shadow: 0 0 10px #ddd;
      background: #fff;
      position: absolute;
      left: 50%;
      transform: translate(-50%, -50%);
      img {
        height: 100%;
        width: 100%;
        border-radius: 50%;
        background: #eee;
      }
    }
  }
}
.login_from{
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
  position: absolute;
  bottom: 0;
  .btns{
    display: flex;
    justify-content: right;
  }
}
</style>
